# Sleepless: Multiplayer Horror Game Based on Russian Sleep Experiment

> Experience Sleepless, a multiplayer horror game inspired by the Russian Sleep Experiment. Collect evidence and survive a terrifying blind mo

Release date: 2025-10-18
Tags: psychological-horror, horror, survival-horror, survival, thriller, multiplayer, online-co-op, action
Source: https://store.steampowered.com/app/1798570/
Article page: https://web-autoai.com/articles/sleepless-survive-the-russian-sleep-experiment-in-this?lang=en

Prices and ratings change over time — check the article page for the current values.

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## Overview
Prepare for a chilling descent into madness with Sleepless, a multiplayer horror experience developed by CaRuFy and Nagodo, and published by Mental Studios. Inspired by the infamous "Russian Sleep Experiment" myth, this game plunges players into a dark, present-day Russian bunker. The atmosphere is thick with dread as you and your teammates attempt to uncover the secrets of past experiments.

## Highlights
*   Multiplayer Survival Horror: Team up with friends in online co-op to navigate the treacherous bunker and evade a terrifying, blind monster.
*   Thematic Inspiration: Draws heavily from the "Russian Sleep Experiment" myth, offering a unique and unsettling narrative.
*   Dynamic Gameplay: Players must collect evidence, manage scarce resources like electricity, and strategically distract the relentless monster to survive.

## Who It's For
Sleepless is designed for players who enjoy psychological horror, survival challenges, and cooperative gameplay. If you're looking for a tense, atmospheric experience that requires teamwork and quick thinking to overcome a terrifying threat, this game is for you. Fans of narrative-driven horror and unique experimental concepts will also find much to appreciate.

## Game Info
Released on October 18, 2025, Sleepless falls into the Action, Adventure, and Indie genres, with strong elements of Psychological Horror and Survival Horror. It supports single-player and multiplayer modes, including online co-op. The game is available in English, French, German, Spanish, Danish, and Russian.